7125444612 has 480 divisors, whose sum is σ = 23331990528. Its totient is φ = 1881792000.

The previous prime is 7125444577. The next prime is 7125444649. The reversal of 7125444612 is 2164445217.

7125444612 is a `hidden beast` number, since 71 + 2 + 544 + 46 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 173791312 + ... + 173791352.

Almost surely, 2^7125444612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125444612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11665995264).

7125444612 is an abundant number, since it is smaller than the sum of its proper divisors (16206545916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7125444612 is a wasteful number, since it uses less digits than its factorization.

7125444612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 101 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 7125444612 is about 84412.3486937782. The cubic root of 7125444612 is about 1924.2905902979.

Adding to 7125444612 its reverse (2164445217), we get a palindrome (9289889829).

The spelling of 7125444612 in words is "seven billion, one hundred twenty-five million, four hundred forty-four thousand, six hundred twelve".